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HI I HAVE A PROBLEM WITH MY C500 FIRT OF ALL THE DC JACK ON THE CORD MUST HAVE WORN BECAUSE IT STOPPED WORKING I TESTED THE CABLE IT HAD A BREAK IN IT SO I BOUGHT ANOTHER ADAPTOR POWER SUPPLY AND I GOT THE FLASHING LIGHT SYNDROME I THEN TRIED MY BROTHERS BATTERY BEACAUSE HE HAS A C500 THE LAPTOP WORKED SO I BOUGHT A NEW BATTERY HERES THE THING , I PUT NEW BATTERY IN AND SET ABOUT CHARGING LAPTOP UP , I NOTICED THE CHARGE WAS GOING DOWN NOT INCREASING BUT THE BACK LIGHT HAD BRIGHTEND JUST LIKE NORMAL WHEN YOU PLUG THE POWER SUPPLY IN BUT AFTER 7 HOURS CHARGING THE BATTERY HAS COMPLETELY GONE FLAT AND THE FLASHING LIGHT PROBLEM ISS BACK ANY IDEAS PLEASE

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You need to make sure your power adapter is providing enough power to both run the laptop & charge the battery. A very good way to do this is to compare your laptop voltage & ampere requirements (written on a sticker on the bottom of the laptop) with the voltage & ampere ratings of the power adapter. Voltages should be the same, or the power adapter's voltage about up to 0.5 volts more than the laptop's voltage rating. Amperage of the power adapter should be at least equal to or greater than the laptop's rating. It should never be less than the laptop's rating, or else the power adapter will be providing insufficient amperes to charge the battery. Of course, the power adapter's nominal amperage might be ok, but it degraded on usage. You can verify this by testing using a good or new power adapter.
If the battery did not charge using the new power adapter, take the battery off the laptop, & using a dry tooth brush, scrub in between the fins of the battery connector on the motherboard & on the battery it self, then put the battery back into the laptop & try again.
If this still did not resolve the problem, then the battery itself could be bad. Try it on another laptop, or try a good or new battery in your laptop.
If this did not work, there might be a possibility that the charging circuitry on the laptop's motherboard is defective & needs servicing. In order to do this, the laptop needs to be disassembled & the motherboard checked for defective/burned out components in the area near the DC jack. Any defective/burned out components found should be replaced, or you might need to replace the laptop's motherboard altogether

Posted on Aug 25, 2010

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Hi when plug in my ac adapter into lenovo x61 the tablet will not turn on i try it on other computer and it will on what happen?


LOL, sounds like your tablet has seen it's better days. See why HP got out of the Tablet business? They are nothing but trouble.

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My Eee 4g surf netbook won't charge at all. Upon turning it on, it runs for a second, then shuts off due to a lack of battery power. The charge cable's light is also not turning, so that may


I think your DC Power Jack is bad. The DC Power Jack is where the power cord plugs into the laptop. If it is bad, then a good power cord cannot charge the battery, nor can the laptop turn on once the battery is drained.

You say it smelled burnt, that might mean it took a power surge. I always tell people that before your plug the power cord into the electrical outlet on the wall to remove the other end of the cord from the laptop. That way if you get a power surge you will only damage the power cord and not the dc power jack or motherboard.

Anyway, take an ink pen and push it into the dc power jack and see if there is some movement. The little pin or the casing of the jack should not wiggle.

The DC Jack is soldered onto the motherboard. To replace it you will have to take the laptop apart, desolder the old dc jack and solder a new jack onto the board. Sometimes the DC Jack sits in a slot rather than being soldered. The palmrest and bottom case helps to keep it in place. This type of DC Jack usually has a cable harness that plugs into the motherboard.

Apr 02, 2012 | ASUS Eee 4G Notebook

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How fix DC how fix DC S-P2450


What the Heck is DC? If you want help you've got to explain yourself better.

I'm assuming you are saying the Internal DC Power Jack which is where the Power Cord plugs into is bad. Well, this will require you to take the laptop apart. Most times the DC Power Jack is soldered onto the motherboard, which means you will have to desolder the old one and solder a new one. This alone will take over an hour just trying to get the old broken one out. You have to be very care so that you don't break the motherboard or damage some other part on the board. Sometimes the DC Jack is in a slot on the board and the Palmrest and Bottom Case helps keep in in place. This type of DC Jack will normally have a cable that plugs into the motherboard.

Good Luck!!!

Mar 30, 2012 | Computers & Internet

2 Answers

No power at all, tried a new charger still no power and replaced the battery.


Hi

After the battery and AC cord replacement and still not getting power there's only once culprit there and that is the motherboard of the laptop. I recommend you call Acer and have them replace it for you. Thanks

Feb 21, 2011 | Acer Laptop DC Power Jack for Acer Aspire...

1 Answer

My 4520 Acer Laptop will not charge and will not work on AC power alone.......


You First need to test your AC Adapter Cord...
You can test if you have a secondary known working one.. plug that one in to see if same issue occurs.. OR you will need to test the AC Adapter using a multimeter (available at any home improvement store for under $7).. When testing the Plug End on the AC Adapter - Hold The Negative Test Prod Of the Multimeter to the Outer Side Of the Plug Tip, and Put The Positive(red) Test Prod Inside The Plug Tip... See If You Have Power Through The AC Adapter Tip... You Might Need To Slightly Wiggle The Cord Near The Tip End To See If THere Is A Short In The Cord....

If Cord Tests Good....

You Will Need To Replace The Laptops DC Jack...
The DC Jack is the port where your AC Adapter Plugs into on the laptop..

Your Faulty DC Jack Would Need to be desoldered, the motherboard cleaned of all old flux, Re-Tin The Contact Pads and then Resolder a New DC Jack Onto The Motherboard...

Nov 16, 2009 | Acer Aspire 4520-5582 Notebook

1 Answer

Power cord attachment into the back of computer seems worn, it wants to run off battery instead of recharging through power supply


Either Have A Failing AC Adapter, Or A Failing DC Jack
you can test the AC Adapter using a multimeter (available at any home improvement center for $6)..
The DC Jack Would Need To Physically Be Checked To See If It's Faulty... which would intail removal of all parts down to the motherboard and visually inspect the DC Jack (the port where the Charger Cord Plugs into)



Remove The Battery... Plug AC Adapter Into Laptop.. Attempt To Power On....

Nov 15, 2009 | Acer Aspire 5100 Notebook

2 Answers

My Acer 4001LCi Laptop Won't Charge and Overheats!!!


Hi there,

This seems to be a common problem with laptops is for the DC power jack solder connection to break. The initial symptoms are what you describe- having to manipulate the cord to make a an electrical connection. You may be able to see the jack move- it is not a part of the case- it is either soldered to the mobo or a seperate power board, possibly by wires soldered to the mobo.
Another possibility is the cord itself-four cords break internally with very little damage to the exterior- the breaks have always been right at the plug that goes into the laptop. A new plug can be bought for $ 2.00 US. DC power jacks seem to run around $ 6.00-$15.00. If you can remove the mobo youself, you can probably have the jack soldered on by a TV repair shop.

Regards,

Anirban Mazumdar
http://www.ikarmatech.com

Sep 08, 2009 | Acer TravelMate 4001LCi Notebook

1 Answer

Computer works by Battery only but not A/C cord


Your DC Jack Is Most Likely Failing From What You Describe....
The DC Jack Is The Port Where Your Charger Cord Plugs Into..
If Wiggled Enough, It Will Pry Loose From The Motherboard And Eventually It Will Begin To Short Out The Power, If Left Unrepaired, It Will Eventually Lose All Means Of Charging/Powering On Due To The Solder Being Burnt Away From The Positive Pins That Connect To The Mainboard....

You Might Want To Test Your AC Adapter With A Multimeter For Positive Power and Correct Voltage .. Sometimes A Broken Cord Will test Good If The Break Is Making Contact when testing....
So When Testing the cord... Slightly wiggle it to see if indeed there is a break in it or not...

Feb 06, 2009 | Gateway 450ROG Notebook

2 Answers

Vaio will not turm on


you will most likely need to replace the dc jack, which is the port where your charger plug plugs into...

To test if your dc jack is bad... Remove the Battery, Plug the Power cord into laptop then attempt to power on... If no lights turn on, no fan spins.. your DC jack is bad...
DC Jacks Cost $6 to $10 but you need to find someone experienced to replace it, or you might end up with a dead motherboard as well..

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1 Answer

Toshiba satelitte notebook


The first thing to do is eliminate the external power supply, the DC jack and the socket on the laptop that it plugs into. My experience has been that damaged jacks are far more common than damaged sockets. Usually what happens is that someone trips over the power cord and puts strain on the cable where it attaches to the jack. A quick test is to plug the DC jack into the laptop and while holding the jack still wiggle the cable where it attaches to the jack. If that doesnt do it try holding the jack and wiggling it in the laptop socket. One or the other should cause a break in the power and youll know what to get fixed or replace. If those are the usual suspects, however, if they all test out OK then let us know what the results were and we?ll pickup from there. Any additional information will be helpful such as LEDs, how long it takes to shut down and any issues that may have led up to this.

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